Technology

Connecting New York City To The Backbone: Meet NYC’s Mesh Network

Access to fast and affordable internet is a big issue in the USA, even in a major metropolis such as New York City. Amidst a cartel of ISPs who simply will not deliver, a group of NYC inhabitants first took it upon themselves to ease this situation by setting up their own mesh-based internet connections way back in 2013. Now they will be installing a new Supernode to take the installation base far beyond the current 300 buildings serviced.

As a community project, NYC Mesh is run as a non-profit organization, with its community members supporting the effort through donations, along with partnerships with businesses. Its router hardware consists out of off-the-shelf equipment (with a focus on the Ubiquiti NanoStation NSM5) that get flashed with custom firmware containing the mesh routing functionality.

As this article by Vice mentions, NYC Mesh is one of 750 community-led broadband projects in the US. Many of those use more traditional fixed wiring with distribution lines, but NYC Mesh focuses fully on wireless (WiFi) links with wireless mesh networking. This has the obvious benefit that given enough bandwidth on the Supernodes that hook into the Internet exchange points (IXP) and an efficient mesh routing protocol, it’s quick and easy to hook up new clients and expand the network.

The obvious downsides of using WiFi and RF in general is that they are not immune to outside influences, such as weather (rain), RF interference (including from other WiFi stations) and of course fairly limited range if there’s no direct line of sight. In a densely populated city such as NYC this is not much of an issue, with short hops between roof tops.

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